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Standard Specification for Manhole Cover Assembly, Bolted, Raised, Oiltight and Watertight
Přeložit název
NORMA vydána dne 1.3.2019
Označení normy: ASTM F1143-19
Poznámka: NEPLATNÁ
Datum vydání normy: 1.3.2019
Kód zboží: NS-945481
Počet stran: 8
Přibližná hmotnost: 24 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
bulkhead, decks, manhole cover, manhole cover assembly, marine technology, ships,, ICS Number Code 47.020.10 (Hulls and their structure elements)
1. Scope | ||||||||||||||||||||
1.1 This specification provides design and construction criteria for a raised, bolted, oiltight and watertight manhole cover assembly. 1.2 The manhole cover assemblies depicted in this specification are for use in decks or bulkheads in which the manhole cover assemblies must be of the raised type. Manhole cover shall be complete with coaming, gasket, welded studs or bolts, washers, and nuts. 1.3 Determination of the use of handles will be as specified in the ordering information. 1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.5 This specification is not applicable to certain hazardous cargos (see 46 CFR 153.254 and 46 CFR 154.340). 1.6 This specification provides design and construction for manhole cover assemblies subjected to lateral pressures such as resulting from vehicle loads or hydrostatic pressures. Where manhole cover assemblies are subjected to primary or cyclic loads, other reinforcement or construction criteria may be necessary to integrate the manhole assembly with the required structural reinforcement for openings in decks or bulkheads. Design of the manhole cover assembly for primary or cyclic loads is beyond the scope of this specification. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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2. Referenced Documents | ||||||||||||||||||||
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